22472947 has 8 divisors (see below), whose sum is σ = 25744896. Its totient is φ = 19216392.

The previous prime is 22472927. The next prime is 22472951. The reversal of 22472947 is 74927422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22472947 - 2¹⁵ = 22440179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22472927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523 + ... + 6724.

It is an arithmetic number, because the mean of its divisors is an integer number (3218112).

Almost surely, 2^22472947 is an apocalyptic number.

22472947 is a deficient number, since it is larger than the sum of its proper divisors (3271949).

22472947 is an equidigital number, since it uses as much as digits as its factorization.

22472947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697.

The product of its digits is 56448, while the sum is 37.

The square root of 22472947 is about 4740.5639959819. The cubic root of 22472947 is about 282.1976172970.

The spelling of 22472947 in words is "twenty-two million, four hundred seventy-two thousand, nine hundred forty-seven".